jefferyxhy opened a new pull request, #915:
URL: https://github.com/apache/struts/pull/915

   WW-5417
   
   bump the Ognl version to fix the security issue that 
`ObjectPropertyAccessor#setPossibleProperty` bypass SecurityMemberAccess right 
check. 
   
    
   
   *********************** From [Ognl 
PR](https://github.com/orphan-oss/ognl/pull/263) ***********************
   
   `OgnlRuntime.setFieldValue` doesn't check member access rights via 
`MemberAccess` interface
   
     
   
   **Reason**
   
   * Investigation shows that `getMethodValue`/ `setMethodValue` / 
`getFieldValue` are all updated with member access rights check but not 
`setFieldValue`, which cause `ObjectPropertyAccessor#setPossibleProperty` 
expose to security vuln.
   * `ObjectPropertyAccessor#setPossibleProperty` has a fallback mechanism 
using `getWriteMethod` which also lack member access rights check
    
     
   
   **Changes/ Solution**
   
   * add field member access check to `OgnlRuntime#setFieldValue` that is 
controlled by parameter `checkAccessAndExistence`
   * add method member access check to 
`ObjectPropertyAccessor#setPossibleProperty` code block that uses 
`OgnlRuntime#getWriteMethod`
    
     
   
   **Result & Impact**
   now `ObjectPropertyAccessor#setPossibleProperty` will also check member 
access rights when fallback to use:
   * OgnlRuntime.setFieldValue
   * method invoke that is from OgnlRuntime.getWriteMethod


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